Synthetic detergents, which are also known as syndets, were
developed to overcome the difficulties faced while using soap as a cleaning
agent. Soaps when used in hard water precipitate the calcium and magnesium
salts, due to which it's effectiveness as a cleaning agent deteriorates. In
addition, edible oil & fats, which could be put to other uses, are used
as raw materials for the manufacture of soaps. These problems are
circumvented in synthetic detergents that are highly stable in hard water
and do not consume valuable and expensive oil for their manufacture.
Flow Diagram of Detergent Powder Plant

Gelatine is derived from Degreased Crushed Bones (DCB) through acid
treatment followed by alkaline process. DCB are first treated with acid for
removal of inorganic salts in bone. The bones after acid treatment are
referred to as Ossein.
Ossein is then treated with alkali for partial hydrolysis. During the
partial hydrolysis the collagen material is softened from the non-collagen.
Non-Collagen gets removed with weak alkali solution. The temperature is
controlled during maceration and liming to avoid any yield losses. Limed
Ossein is then washed with water and then treated with dilute solution of
weak acid. Ossein after weak acid treatment is taken for Gelatine
extraction.
Gelatine is extracted in the form of weak liquor, which is then filtered
and passed through ion exchange (deashing system) for reduction of the
dissolved ash(dissolved minerals) in the gelatine solution. This de-ionised
weak liquor of Gelatine is then concentrated under vacuum to avoid any
destruction to the basic tri skeleton structure of gelatine. So our gelatine
processing plant or gelatine extraction plant is very useful.
Concentrated liquor is then passed through sterilisation system followed by
extrusion for making noodles to facilitate proper drying of Gelatine in the
next stage.
Gelatine drying is very critical process since fast heating will melt the
gelatine instead of drying and slow drying will result in gelatine moisture
out of limits so Gelatine is dried very carefully with dehumidified air by
gradual increase of temperature gradually to 60OC.
Dried Gelatine is then crushed to required mesh size as per the market
demand. During Gelatine manufacturing DCP is produced as a byproduct. Which
is a main constituent for the cattle and poultry feed.